Development of the Stanford Social Dimensions Scale: initial validation in autism spectrum disorder and in neurotypicals.
Jennifer M Phillips, Mirko Uljarević, Rachel K Schuck and 7 others
PMID 31890146WHAT IT FOUND
The Stanford Social Dimensions Scale separates social motivation, affiliation, communication, recognition, and unusual approach into five distinct scores.
It reliably measures these traits in children with autism and neurotypical peers, offering a clearer profile of social strengths and weaknesses than existing diagnostic tools.
Key findings
01The scale consistently separates social functioning into five distinct domains: Social Motivation, Social Affiliation, Expressive Social Communication, Social Recognition, and Unusual Approach.
02Scores on the new scale correlate more strongly with social communication deficits than with restricted behaviors, confirming it measures the intended social constructs.
03The new scale captures social motivation more precisely than the widely used Social Responsiveness Scale, which lacks specific items for this domain.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
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What it does not show
The study relied entirely on parent report, so it does not account for how the child behaves in other settings or what the child reports themselves. The initial validation sample was limited to children with ASD, so the scale's performance across the full range of intellectual abilities and other neurodevelopmental conditions needs further testing. The 'Unusual Approach' factor contains only four items, which may make it less robust or comprehensive than the other domains. The study did not test whether the scale works the same way across different ages, sexes, or cognitive levels (measurement invariance).
Declared interests
The study was funded by a Department of Psychiatry and Behavioral Science small research grant. The text does not report any commercial conflicts of interest or author disclosures beyond this funding source.
The easy way to misread this
Do not assume this scale is ready for immediate clinical use as a standalone diagnostic tool. It is an initial validation study, and the authors explicitly state that further research is needed to establish its reliability across different ages, cognitive levels, and clinical groups before it can replace existing measures.